Russia has made it a practice of attacking electrical infrastructure in Ukraine over the winter with missiles and drones. We hear about Ukraine's preparations for these attacks and how they'll be put to the test. Sign up for State of the World+ to listen sponsor-free and support the work of NPR journalists. Visit plus.npr.org. And you can donate to your local NPR member station by going to stations.npr.orgLearn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy